The Beam produces remarkable sound for its tiny weight and size. Inside the unit, four woofers fire off in different directions to create room-filling sound. Audio is warm and clear, but what really amazes me is the level of bass from this tiny unit; it’s hard to believe it’s coming out of the Beam without a connected, dedicated subwoofer, although Sonos would be happy to sell you one if you still need more rumbling.
Read more at SMH: Tiny Sonos Beam bests some of the biggest home theatre hi-fi